#include <iostream>
#include <vector>
using namespace std;

int main() {
    int m , n , q;
    cin >> n >> m >> q;
    vector<vector<int>> v1(n + 1,vector<int>(m + 1));
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= m; j++)
        {
            cin >> v1[i][j];
        }
    }
    vector<vector<long long>> dp(n + 1,vector<long long>(m + 1));
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= m; j++)
        {
            dp[i][j] = dp[i - 1][j] + dp[i][j - 1] + v1[i][j] - dp[i - 1][j - 1];
        }
    }
    int x1,x2,y1,y2;
    while(q--)
    {
        cin >> x1 >> y1 >> x2 >> y2;
        cout << dp[x2][y2] - dp[x2][y1 - 1] - dp[x1 - 1][y2] + dp [x1 -1][y1 - 1] << endl;;
    }
    return 0;
}
